PRIME DIRECTIVE - FIRST HARD COVER. NY: Pocket, 1990. First Edition. 6 X 9. Hard Cover. Good / Good. ISBN: 0671707728. Novel of the Starship Enterprise crew disgraced, their starship in pieces, Starfleet's highest law broken, and themselves scattered across the Federation - struggling to learn how and why a planet was destroyed through their actions - and what has become of the missing Captain Kirk. 406 pp.